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Fix Nginx Upstream Connection Refused Error - Fix Chrome Extensions Not Working After Update-Troubleshooting 'port is already allocated' in Docker Compose

Updated 2026-07-28 05:55:02developer-tools
Fix Nginx Upstream Connection Refused Error - Fix Chrome Extensions Not Working After Update-Troubleshooting 'port is already allocated' in Docker Compose
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

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